The brake pedal in an air brake system:
A. Controls the speed of the air compressor.
B. Controls the air pressure applied to put on the brakes.
C. Is connected to slack adjusters by a series of rods and linkages.
Answer: B. Controls the air pressure applied to put on the brakes.
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.